In Parallel
com Danny Cavanagh
(2009)
De Beer Die Geen Beer Was
com Martijn Bosman
(2011)
The Sirens
com Liv Kristine e Kari Rueslåtten
(2014)
músicas disponibilizadas gratuitamente
The Gentle Storm
com Arjen Lucassen
(2015)
Verloren Verleden
com Árstíðir
(2016)
